Skip to content

fix memory leak in is_planar #38432

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vbraun merged 1 commit into from
Aug 10, 2024
Merged

fix memory leak in is_planar #38432

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions src/sage/graphs/planarity.pyx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,7 @@ def is_planar(g, kuratowski=False, set_pos=False, set_embedding=False):
elif status == NONEMBEDDABLE:
# We now know that the graph is nonplanar.
if not kuratowski:
gp_Free(&theGraph)
return False
# With just the current edges, we have a nonplanar graph,
# so to isolate a kuratowski subgraph, just keep going.
Expand All @@ -150,6 +151,7 @@ def is_planar(g, kuratowski=False, set_pos=False, set_embedding=False):
if status == NONEMBEDDABLE:
# Kuratowski subgraph isolator
if not kuratowski:
gp_Free(&theGraph)
return False
g_dict = {}
for i in range(1, theGraph.N + 1):
Expand Down